U.S. Cellular today launched an unlimited 4G LTE data plan in time for the holiday season. For a limited time, customers in the carrier's 4G LTE markets can select the plan for only $40 per month and add tethering for $20 more. Here's more info on the new 4G LTE plan and other promotions from U.S. Cellular:

U.S. Cellular recently expanded its 4G LTE service to more reach customers in Iowa, North Carolina, Oklahoma and Wisconsin, and rolled out 4G LTE service to some of its leading markets in Illinois, Maryland, Missouri, New Hampshire, Oregon, Vermont, Virginia, Washington and West Virginia. By the end of the year, 58 percent of U.S. Cellular's customers will have access to 4G LTE speeds. U.S. Cellular offers eight 4G LTE devices, including the Samsung Galaxy S III, Samsung Galaxy Note II and the Motorola ELECTRIFY M.

U.S. Cellular is also offering $100 instant rebates on some its smartphones, including the Galaxy S III for $199 and the Huawei Ascend Y for just a penny. And customers who purchase any smartphone or tablet can get the 4G LTE Samsung SCH-LC11 hotspot for free. In addition to these great deals, U.S. Cellular customers get a better experience all year long, with unique benefits like the only loyalty rewards program in wireless.